There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Find the next number in the series below

21 32 54 87 131 ?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?